--  @testpoint:opengauss关键字profile(非保留)，作为函数名

--关键字不带引号-成功
drop function if exists profile;
create function profile(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function profile;
--关键字带双引号-成功
drop function if exists "profile";
create function "profile"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function "profile";
--关键字带单引号-合理报错
drop function if exists 'profile';
create function 'profile'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `profile`;
create function `profile`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/